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nirvana33 [79]
3 years ago
15

Can i have help with this question please i don’t understand

Mathematics
2 answers:
Vinil7 [7]3 years ago
7 0

Answer:

Step-by-step explanation:

4x + 3y + x + 4y

= 4x + x + 3y + 4y

= 5x + 7y

4x + 3y + 2x - y

= 4x + 2x + 3y - y

= 6x + 2y

4x + 5y - ( x + 4y )

= 4x + 5y - x - 4y

= 4x - x + 5y - 4y

= 3x + y

2x - y + 3x + y

= 2x + 3x - y + y

= 5x + 0

= 5x

Law Incorporation [45]3 years ago
5 0

Answer:

See the picture I've attached...

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Please please help me I need help Ill give brainy please help
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Answer:

45 cm

Step-by-step explanation:

l=\sqrt{r^2+h^2}=\sqrt{27^2+36^2} =45 cm

7 0
3 years ago
Can some one help me please
11111nata11111 [884]

Answer:

2x²√13

Step-by-step explanation:

Step 1:  When there is multiplication under a square root sign (also called a radical sign), you can rewrite the expression as the product of two square roots, like this...

√(52x^4)   can be rewritten as     (√52)(√x^4)

Step 2:  x^4 = x²x², so it's the same thing as saying (x²)², or "x-squared, squared".  Taking the square root of it leaves just x-squared, so this simplifies to

  (√52)x²

Step 3:  When taking the square root of a number that is not a perfect square, you need to do a factor tree to see if you can break the number up into a product of perfect squares, or a perfect square multiplied by a prime number.

52 is an even number, so we an at least divide by 2.  

        52/2  is 26, so we have

                  (26)(2)

2 is a prime number, so we don't break that down any further.

26 is even so it is also divisible by 2,

   26/2 is 13, so we have

     (13)(2)(2)

  which we can write as (13)(4)     (groups pairs of numbers together)

(2)(2) is 4, which results in a perfect square, so we can rewrite √52 as

      (√4)(√13),       since √4  = 2, we simplify this expression to

       2√13

So √(52x^4) breaks down to (√52)(√x^4), which further breaks down into

  (2√13)(x²)

We simplify the expression to 2x²√13

3 0
3 years ago
No rush but can somebody help me ASAP I’ve been missing days of school and I’m behind !
matrenka [14]
If you need to evaluate the answer is 1.2
8 0
3 years ago
Read 2 more answers
Suchitra works at the local supermarket. She gets paid $22.50 per hour. Her time card
Eva8 [605]

Answer: she worked 31 hours ( I believe so)

Step-by-step explanation: hope that helps

7 0
2 years ago
Kenny wants to install new carpet in his basement game room. Carpets 'N More sells carpet for $5.39 per square foot. How much wi
vivado [14]

Answer:

you know you can ask the question online right...

Step-by-step explanation:

4 0
3 years ago
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